| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Spiritual Intelligence: How Your Spirit Will Lead You To Health, Happiness and Success | 978-O-9831698-5-7 (O-9831698-5-3) | 2011 |
Barbara H · Barbara Hilliker · Barbara Hölscher · Barbara Holker · Barbara Holzer · Barbara Holzwarth